Born on this day in Prague, Czechoslovakia, tennis legend Martina Navratilova (1956–) transformed the game with her talent and fearless play. A record nine-time Wimbledon singles champion and winner of 20 Wimbledon titles overall, she showed the world what it means to live with commitment and joy.

Known for her outspoken honesty, she once said of her success, “I just try to concentrate on concentrating.” Her friend and rival Chris Evert admired her dedication: “She had everything down to a science, including her diet, and that was an inspiration to me.”

A master of the serve-and-volley, the left-hander said with a grin, “Whoever said, ‘It’s not whether you win or lose that counts,’ probably lost.” Her mix of power and playfulness reminded everyone that competition could be both fierce and fun.

“Once you start believing in yourself, anything is possible. Once you start believing in yourself, your dreams take shape. The more you believe, the more you achieve,” she said.

Today, Martina still lights the court... and the world. She mentors new players and shares insight from the commentary box, continuing to face life with courage and grace. A cancer survivor, she champions wellness, equality, and love. With her wife Julia and their young sons, she reminds us that real commitment asks for all of you, not just involvement, but heart.